Ward gives Alma's phone number as "UNiversity 2-9804." A telephone exchange name or central office name was a distinguishing and memorable name assigned to a central office. It identified the switching system to which a telephone was connected. The exchange name "UNiversity" was assigned in Los Angeles at the time of this series.
When the family is eating breakfast, Ward reveals that June's middle name is Evelyn.
Wally tells Alma that Lumpy went to Madison last summer with the school band for the state music festival to play for the governor.
Madison is the capital city of the state of Wisconsin.
While reminiscing with June about the years before they were married, Ward reveals (by quoting June's mother in mock-serious tones) that June was then known as "June Evelyn".